diff --git a/requirements.txt b/requirements.txt
index 31a83bc..de98c65 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,4 @@ pyparsing==2.2.0
 python-telegram-bot==5.3.0
 requests==2.13.0
 six==1.10.0
-urllib3==1.20
+urllib3==1.26.5